A) venter wall of archegonium
B) outgrowth of gametophyte
C) neck wall of archegonium
D) paraphysis of the archegonial branch
Correct Answer: A
Solution :
Calyptra is a covering developed from the ventre of archegonium in bryophytes and pteridophytes. It acts as a transpiration shield around the invature capsule and provides protection to the young capsule.
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